@article{MZM_2018_104_6_a1,
     author = {O. Belova},
     title = {The {Grassmann-like} {Manifold} of {Centered} {Planes}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {812--822},
     publisher = {mathdoc},
     volume = {104},
     number = {6},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2018_104_6_a1/}
}